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Finding the Fourth Proportional to 108,130.68, 149,168.56 and 67,824.26

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Solution

The fourth proportional to 108,130.68, 149,168.56 and 67,824.26 is: 93,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,130.68 : 149,168.56 = 67,824.26 : x
  2. Step 2: Convert to fraction form
    108,130.68/149,168.56 = 67,824.26/x
  3. Step 3: Cross multiply
    108,130.68x = 149,168.56 × 67,824.26
  4. Step 4: Simplify right side
    108,130.68x = 10,117,247,197.27
  5. Step 5: Solve for x
    x = 10,117,247,197.27/108,130.68
  6. Step 6: Final answer
    x = 93,565.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.